[fix] Fix different batches per epoch in NoDuplicatesBatchSampler
#1219
| Job | Run time |
|---|---|
| 10m 55s | |
| 12m 31s | |
| 8m 40s | |
| 14m 57s | |
| 8m 4s | |
| 16m 19s | |
| 9m 52s | |
| 13m 2s | |
| 1h 34m 20s |